What was found
ON-TAKE OFF AFTER GEAR RETRACTION RECEIVED NOSE DOOR OPEN AND GEAR DISAGREE MASTER WARNING APPROXIMATELY 6 SECONDS AFTER SELECTING GEAR UP. (BLK 2) NOSE LANDING GEAR SHOWED RED ON EICAS MANUAL RELEASE WAS USED. DID NOT ENCOUNTER ICING OR TURBULENCE HYD PUMPS TEMP & PRESSURE WERE NORMAL EMERGENCY DECLARED AND NORMAL LANDING. *********AIRCRAFT REMOVED FROM SERVICE******* MEL IN WORK